diff --git a/Cargo.toml b/Cargo.toml
index 83a30d1..f6978b6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,3 +10,4 @@ edition = "2018"
 anyhow = "1.0.34"
 chrono = "0.4.19"
 walkdir = "2.3.1"
+text_io = "0.1.8"